Search for short bursts of gamma-ray emission in spark chamber data: application to COS-B

Details Search for short bursts of gamma-ray emission in spark chamber data: application to COS-B Search for short bursts of gamma-ray emission in spark chamber data: application to COS-B

Sep 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993a%26a...277..353b&link_type=abstract

Astronomy and Astrophysics, Vol. 277, p. 353 (1993)

Astronomy and Astrophysics

Astrophysics

Gamma-Ray: Bursts - Methods: Data Analysis - Methods: Statistical

Scientific paper

We describe an analysis method aimed to the detection of short (<1000 s) bursts in the emission of gamma-ray sources using spark chamber data. The method utilizes a maximum likelihood technique which looks for accumulations of photons, compatible with the point spread function of the experiment, within the whole observing time and the field-of-view of the experiment. The method is tested on the COS-B archive data from observations of high latitude galactic regions where no galactic disc structure is present and upper limits on the existence of high energy gamma-ray bursts are given. The possible application of the technique to the GRO-EGRET is finally discussed.

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